package com.duoduo.controller.admin;

import com.duoduo.result.Result;
import com.duoduo.service.ReportService;
import com.duoduo.vo.*;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.format.annotation.DateTimeFormat;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.servlet.http.HttpServletResponse;
import java.time.LocalDate;

/**
 * 数据统计相关接口
 */
@RestController
@RequestMapping("/admin/report")
@Slf4j
@Api(tags ="数据统计相关接口")
public class ReportController {
    @Autowired
    private ReportService reportService;

    /**
     * 营业额统计
     * @param begin: 2024-10-15
     * @param end: 2024-10-21
     * @return
     */
    @GetMapping("/turnoverStatistics")
    @ApiOperation("营业额统计")
    public Result<TurnoverReportVO> turnoverStatistics(
            @DateTimeFormat(pattern = "yyyy-MM-dd") LocalDate begin,  // 将一定格式的字符串表示的时间转为LocalDate对象
            @DateTimeFormat(pattern = "yyyy-MM-dd") LocalDate end) {
        log.info("营业额统计: {} -- {}",begin,end);
        TurnoverReportVO turnoverReportVO = reportService.getTurnoverStatistics(begin, end);
        return Result.success(turnoverReportVO);
    }

    /**
     * 用户统计
     * @param begin
     * @param end
     * @return
     */
    @GetMapping("/userStatistics")
    @ApiOperation("用户统计")
    public Result<UserReportVO> userStatistics(@DateTimeFormat(pattern = "yyyy-MM-dd") LocalDate begin,@DateTimeFormat(pattern = "yyyy-MM-dd") LocalDate end){
        log.info("用户统计: {} -- {}",begin,end);
        UserReportVO userReportVO = reportService.getUserStatistics(begin,end);
        return Result.success(userReportVO);
    }

    /**
     * 订单统计
     * @param begin
     * @param end
     * @return
     */
    @GetMapping("/ordersStatistics")
    @ApiOperation("订单统计")
    public Result<OrderReportVO> ordersStatistics(@DateTimeFormat(pattern = "yyyy-MM-dd") LocalDate begin,@DateTimeFormat(pattern = "yyyy-MM-dd") LocalDate end){
        log.info("订单统计: {} -- {}",begin,end);
        OrderReportVO orderReportVO = reportService.getOrderStatistics(begin,end);
        return Result.success(orderReportVO);
    }

    /**
     * 销量排名
     * -10个，降序
     * @param begin
     * @param end
     * @return
     */
    @GetMapping("/top10")
    @ApiOperation("销量排名")
    public Result<SalesTop10ReportVO> salesTop10(@DateTimeFormat(pattern = "yyyy-MM-dd") LocalDate begin, @DateTimeFormat(pattern = "yyyy-MM-dd") LocalDate end){
        log.info("销量排名: {} -- {}",begin,end);
        SalesTop10ReportVO salesTop10ReportVO = reportService.salesTop10(begin,end);
        return Result.success(salesTop10ReportVO);
    }

    /**
     * 导出最近30天运营数据为excel
     */
    @GetMapping("/export")
    @ApiOperation("导出最近30天运营数据为excel")
    public void export(HttpServletResponse response){  // 通过 HttpServletResponse 获得输出流，以下载excel到浏览器
        reportService.exportBusinessData(response);
    }
}
